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Zirconia Ceramic:
Zirconium oxide ceramics are white, yellow or gray when containing impurities, and generally contain HfO 2, which is not easily separated. Pure ZrO2 has three crystal states under normal pressure. The production of zirconia ceramics requires the preparation of high-purity, good dispersion properties, ultra-fine particles, narrow particle size distribution, zirconia ultrafine powder preparation methods, zirconia purification mainly chlorination and thermal decomposition, alkali metal Oxidative decomposition method, lime melting method, plasma arc method, precipitation method, colloid method, hydrolysis method, spray pyrolysis etc.
In terms of structural ceramics, zirconia ceramics are widely used in the field of structural ceramics because of their high toughness, high flexural strength and high wear resistance, excellent thermal insulation properties, and thermal expansion coefficient close to that of steel. Mainly: Y-TZP grinding ball, dispersion and grinding media, nozzle, ball valve ball seat, zirconia mold, micro fan shaft, fiber pin, fiber sleeve, wire drawing die and cutting tool, wear-resistant tool, clothing button, Cases and straps, bracelets and pendants, ball bearings, golf ball hitters and other room temperature wear-resistant components.
Properties:
High strength, high hardness, crash resistance, wear resistance, corrosion resistance, smooth surface, low thermal conductivity, nonmagnetic etc.
date sheet
| Item |
Unit |
Typical Values |
| Physical Properties |
| Color |
Customized |
| Density |
g/cm3 |
6 |
| Zirconia Content |
% |
94.40% |
| Gas permeability |
0 |
| Water Absorption |
0 |
| Crystal Size |
um |
0.5 |
| Mechanical Properties |
| Rockwell Hardness(45N) |
R45N |
78 |
| Vickers Hardness (Load 500g) |
Gpa(Kg/mm²) |
11.5(1175) |
| Flexural Strength(20°C) |
Mpa |
800 |
| Compressive Strength(20°C) |
Mpa |
2000 |
| Modulus of Elasticity(20°C) |
Gpa |
>200 |
| Fracture Toughness(20°C) |
MPam1/2 |
9 |
| Thermal Properties |
| Thermal Conductivity(20°C-400°C) |
W(m.K) |
2.5 |
| Thermal Expansion Coefficient |
10-6/°C |
9.6 |
| Thermal Shock Resistance |
T°C |
250 |
Company introduce
Wuxi Special ceramic Co.,Ltd mainly produces alumina, Silicon nitride, Zirconia, Steatite, Boron nitride, Cordierite,mullite products, widely used in metal welding, electronic conductor, mechanics, assembling, insulation, chemicals, instrument, textile, nuclear industry, aerial field.We accept trial produce according to the drawing or sample.It usually takes 15 days to finish trial product.Mass produce usually takes 30 days.Goods' package is carton or PLT.It can be negotiable with each other.
We mainly sell goods to toshiba lighting group in Japan and Europe.Our aim is to deliver goods with high quality at quick delivery date.
quality control
mass production by 100% inspection
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